The Mercury 4/5/6  HP Four  Stroke OEM Service Manual 90-879276001 (June 2011) in Very Good Plus Condition is a comprehensive manual specifically designed for outboard motors made by Mercury. This manual, printed in June 2011 provides detailed information on how to service and maintain these specific engines. With a focus on the United States manufacture of Mercury products, this manual is an essential tool for any boat owner or mechanic looking to properly care for and repair their outboard motor.